Supporting rack for dust collector



FIG. 1 is a perspective view of a supporting rack for dust collector showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof shown in use. 

I claim the ornamental design for a supporting rack for dust collector, as shown and described. 